grub_err_t
grub_loader_boot (void)
{
grub_err_t err = GRUB_ERR_NONE;
struct grub_preboot_t *cur;
if (! grub_loader_loaded)
return grub_error (GRUB_ERR_NO_KERNEL, "no loaded kernel");
if (grub_loader_noreturn)
grub_machine_fini ();
for (cur = preboots_head; cur; cur = cur->next)
{
err = cur->preboot_func (grub_loader_noreturn);
if (err)
{
for (cur = cur->prev; cur; cur = cur->prev)
cur->preboot_rest_func ();
return err;
}
}
err = (grub_loader_boot_func) ();
for (cur = preboots_tail; cur; cur = cur->prev)
if (! err)
err = cur->preboot_rest_func ();
else
cur->preboot_rest_func ();
return err;
}
grub_err_t
grub_loader_boot (void)
{
grub_err_t err = GRUB_ERR_NONE;
struct grub_preboot *cur;
if (! grub_loader_loaded)
return grub_error (GRUB_ERR_NO_KERNEL,
N_("you need to load the kernel first"));
if (grub_loader_flags & GRUB_LOADER_FLAG_NORETURN)
grub_machine_fini ();
for (cur = preboots_head; cur; cur = cur->next)
{
err = cur->preboot_func (grub_loader_flags);
if (err)
{
for (cur = cur->prev; cur; cur = cur->prev)
cur->preboot_rest_func ();
return err;
}
}
err = (grub_loader_boot_func) ();
for (cur = preboots_tail; cur; cur = cur->prev)
if (! err)
err = cur->preboot_rest_func ();
else
cur->preboot_rest_func ();
return err;
}
void
grub_reboot (void)
{
grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
efi_call_4 (grub_efi_system_table->runtime_services->reset_system,
GRUB_EFI_RESET_COLD, GRUB_EFI_SUCCESS, 0, NULL);
for (;;) ;
}
void
grub_reboot (void)
{
grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
grub_uboot_reset ();
while (1);
}
void
grub_halt (void)
{
grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
/* Just stop here */
while (1);
}
void
grub_halt (void)
{
grub_machine_fini (GRUB_LOADER_FLAG_NORETURN);
#if !defined(__ia64__) && !defined(__arm__) && !defined(__aarch64__)
grub_acpi_halt ();
#endif
efi_call_4 (grub_efi_system_table->runtime_services->reset_system,
GRUB_EFI_RESET_SHUTDOWN, GRUB_EFI_SUCCESS, 0, NULL);
while (1);
}
int
main (int argc, char *argv[])
{
char *root_dev = 0;
char *dir = DEFAULT_DIRECTORY;
char *dev_map = DEFAULT_DEVICE_MAP;
volatile int hold = 0;
int opt;
set_program_name (argv[0]);
grub_util_init_nls ();
while ((opt = getopt_long (argc, argv, "r:d:m:vH:hV", options, 0)) != -1)
switch (opt)
{
case 'r':
root_dev = optarg;
break;
case 'd':
dir = optarg;
break;
case 'm':
dev_map = optarg;
break;
case 'v':
verbosity++;
break;
case 'H':
hold = (optarg ? atoi (optarg) : -1);
break;
case 'h':
return usage (0);
case 'V':
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
return 0;
default:
return usage (1);
}
if (optind < argc)
{
fprintf (stderr, "Unknown extra argument `%s'.\n", argv[optind]);
return usage (1);
}
/* Wait until the ARGS.HOLD variable is cleared by an attached debugger. */
if (hold && verbosity > 0)
printf ("Run \"gdb %s %d\", and set ARGS.HOLD to zero.\n",
program_name, (int) getpid ());
while (hold)
{
if (hold > 0)
hold--;
sleep (1);
}
signal (SIGINT, SIG_IGN);
grub_console_init ();
/* XXX: This is a bit unportable. */
grub_util_biosdisk_init (dev_map);
grub_init_all ();
/* Make sure that there is a root device. */
if (! root_dev)
{
char *device_name = grub_guess_root_device (dir);
if (! device_name)
grub_util_error ("cannot find a device for %s", dir);
root_dev = grub_util_get_grub_dev (device_name);
if (! root_dev)
{
grub_util_info ("guessing the root device failed, because of `%s'",
grub_errmsg);
grub_util_error ("cannot guess the root device. Specify the option `--root-device'");
}
}
dir = grub_get_prefix (dir);
prefix = xmalloc (strlen (root_dev) + 2 + strlen (dir) + 1);
sprintf (prefix, "(%s)%s", root_dev, dir);
free (dir);
/* Start GRUB! */
if (setjmp (main_env) == 0)
grub_main ();
grub_fini_all ();
grub_machine_fini ();
return 0;
}
int
main (int argc, char *argv[])
{
char *dev_map = DEFAULT_DEVICE_MAP;
volatile int hold = 0;
int opt;
set_program_name (argv[0]);
dir = xstrdup (DEFAULT_DIRECTORY);
while ((opt = getopt_long (argc, argv, "r:d:m:vH:hV", options, 0)) != -1)
switch (opt)
{
case 'r':
free (root_dev);
root_dev = xstrdup (optarg);
break;
case 'd':
free (dir);
dir = xstrdup (optarg);
break;
case 'm':
dev_map = optarg;
break;
case 'v':
verbosity++;
break;
case 'H':
hold = (optarg ? atoi (optarg) : -1);
break;
case 'h':
return usage (0);
case 'V':
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
return 0;
default:
return usage (1);
}
if (optind < argc)
{
fprintf (stderr, "Unknown extra argument `%s'.\n", argv[optind]);
return usage (1);
}
/* Wait until the ARGS.HOLD variable is cleared by an attached debugger. */
if (hold && verbosity > 0)
printf ("Run \"gdb %s %d\", and set ARGS.HOLD to zero.\n",
program_name, (int) getpid ());
while (hold)
{
if (hold > 0)
hold--;
sleep (1);
}
signal (SIGINT, SIG_IGN);
grub_emu_init ();
grub_console_init ();
grub_host_init ();
/* XXX: This is a bit unportable. */
grub_util_biosdisk_init (dev_map);
grub_init_all ();
grub_hostfs_init ();
grub_emu_post_init ();
/* Make sure that there is a root device. */
if (! root_dev)
root_dev = grub_strdup ("host");
dir = xstrdup (dir);
/* Start GRUB! */
if (setjmp (main_env) == 0)
grub_main ();
grub_fini_all ();
grub_hostfs_fini ();
grub_host_fini ();
grub_machine_fini ();
return 0;
}
